Which of the following situations form a proportional relationship?
Select all that apply.
O 5 DVDs for $9 and 15 DVDs for $27
O 6 cups of coffee for $8 and 9 cups of coffee for $12
3 pocketbooks for $60 and 5 pocketbooks for $90
12 cans for $3 and 30 cans for $7.50
2 ink cartridges for $25 and 4 ink cartridges for $75

step-by-step explanation:

answer: check all that apply, where the options?

step-by-step explanation:

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3